11计科 实验十二 记事本制作

西安思源学院Java实验报告实验名称：记事本的制作班级：11计算机科学与技术学号：111102020104姓名：指导教师：王振铎实验时间：2013年5月14日成绩：第第页实验十二记事本制作一实验目的1. 掌握图形界面中菜单的制作方法。2. 掌握菜单的事件处理程序的编写。3. 熟悉记事本中JFileChooser，JOptionPane等系统类的使用方法。二实验内容1、仿照windows记事本制作菜单。2、编程记事本的各个功能。实验内容如下：实验主要代码为：只粘贴部分源码jScrollPane1.setViewportView(mainTextArea);fileMenu.setMnemonic('F');fileMenu.setText("文件(F)");newMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_N,java.awt.event.InputEvent.CTRL_MASK));newMenuItem.setMnemonic('N');newMenuItem.setText("新建(N)");newMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){newMenuItemActionPerformed(evt);}});fileMenu.add(newMenuItem)openMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_O,java.awt.event.InputEvent.CTRL_MASK));openMenuItem.setMnemonic('O');openMenuItem.setText("打开(O)");openMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){openMenuItemActionPerformed(evt);}});fileMenu.add(openMenuItem);saveMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S,java.awt.event.InputEvent.CTRL_MASK));saveMenuItem.setMnemonic('S');saveMenuItem.setText("保存(S)");saveMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){saveMenuItemActionPerformed(evt);}});fileMenu.add(saveMenuItem);fileMenu.add(jSeparator1);printMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_P,java.awt.event.InputEvent.CTRL_MASK));printMenuItem.setMnemonic('P');printMenuItem.setText("打印(P)");printMenuItem.setEnabled(false);fileMenu.add(printMenuItem);fileMenu.add(jSeparator2);editMenu.add(copyMenuItem);pasteMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_V,java.awt.event.InputEvent.CTRL_MASK));pasteMenuItem.setMnemonic('P');pasteMenuItem.setText("粘贴(P)");pasteMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){pasteMenuItemActionPerformed(evt);}});editMenu.add(pasteMenuItem);editMenu.add(searchMenuItem);searchnextMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_F3,0));searchnextMenuItem.setMnemonic('N');searchnextMenuItem.setText("查找下一个(N)");searchnextMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){searchnextMenuItemActionPerformed(evt);}});editMenu.add(searchnextMenuItem);exchangeMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_H,java.awt.event.InputEvent.CTRL_MASK));exchangeMenuItem.setMnemonic('R');exchangeMenuItem.setText("替换(R)");exchangeMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){exchangeMenuItemActionPerformed(evt);}});editMenu.add(exchangeMenuItem);editMenu.add(jSeparator5);selectallMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_A,java.awt.event.InputEvent.CTRL_MASK));selectallMenuItem.setMnemonic('A');selectallMenuItem.setText("全选(A)");selectallMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){selectallMenuItemActionPerformed(evt);}});editMenu.add(selectallMenuItem);formatMenu.add(autodownCheckBoxMenuItem);fontMenuItem.setMnemonic('F');fontMenuItem.setText("字体(F)");fontMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){fontMenuItemActionPerformed(evt);}});formatMenu.add(fontMenuItem);jMenuBar1.add(formatMenu);viewMenu.setMnemonic('V');viewMenu.setText("查看(V)");stateMenuItem.setMnemonic('S');stateMenuItem.setText("状态栏(S)");stateMenuItem.setEnabled(false);stateMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){stateMenuItemActionPerformed(evt);}});viewMenu.add(stateMenuItem);jMenuBar1.add(viewMenu);helpMenu.setMnemonic('H');helpMenu.setText("帮助(H)");helpMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_F1,0));helpMenuItem.setMnemonic('H');helpMenuItem.setText("帮助主题(H)");helpMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){helpMenuItemActionPerformed(evt);}});helpMenu.add(helpMenuItem);helpMenu.add(jSeparator6);aboutMenuItem.setMnemonic('A');aboutMenuItem.setText("关于(A)");aboutMenuItem.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){aboutMenuItemActionPerformed(evt);}});helpMenu.add(aboutMenuItem);jMenuBar1.add(helpMenu);setJMenuBar(jMenuBar1);javax.swing.GroupLayoutlayout=newjavax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(jScrollPane1,javax.swing.GroupLayout.DEFAULT_SIZE,536,Short.MAX_VALUE));pack();}//</editor-fold>privatevoidopenMenuItemActionPerformed(java.awt.event.ActionEventevt){//TODOaddyourhandlingcodehere:openText();}privatevoidnewText(){intselection=JOptionPane.showConfirmDialog(this,"是否保存当前文本文档？","保存提示",JOptionPane.OK_CANCEL_OPTION,JOptionPane.WARNING_MESSAGE);if(selection==JOptionPane.OK_OPTION){saveText();}mainTextArea.setText("");setTitle("新建文本文档.txt");}privatevoidopenText(){intselection=JOptionPane.showConfirmDialog(this,"是否保存当前文本文档？","保存提示",JOptionPane.OK_CANCEL_OPTION,JOptionPane.WARNING_MESSAGE);if(selection==JOptionPane.OK_OPTION){saveText();}try{Framef=newFrame();FileDialogfd=newFileDialog(f,"打开文件",FileDialog.LOAD);fd.setVisible(true);Stringfpath=fd.getDirectory();finalStringfname=fd.getFile();BufferedReaderbr=newBufferedReader(newFileReader(fpath+fname));mainTextArea.setText("");setTitle(fname);Strings=br.readLine();while(s!=null){mainTextArea.append(s+"\n");s=br.readLine();}br.close();}catch(Exceptionex){}}privatevoidsaveText(){Stringfns=null;Framef=newFrame("保存");FileDialogfd=newFileDialog(f,"保存文件",FileDialog.SAVE);Stringsavepath=fd.getDirectory();Stringsavename=fd.getFile();fd.setFile("*.txt");fd.setVisible(true);try{if(savename!=null){PrintWriterpw=newPrintWriter(newBufferedWriter(newFileWriter(savepath+savename)));pw.write(mainTextArea.getText(),0,mainTextArea.getText().length());pw.flush();}}catch(Exceptionesave){}}privatevoidrepeal(){try{undo.undo();//System.out.println(undo.canUndo());}catch(Exceptioneundo){}}publicvoidsearch(){try{finalJDialogjd=newJDialog(this,"查找",true);GridBagLayoutgbl=newGridBagLayout();GridBagConstraintsgbc=newGridBagConstraints();JLabeljlFind=newJLabel("查找内容:");gbc.gridx=0;gbc.gridy=0;jd.getContentPane().add(jlFind);JButtonjbFind=newJButton("查找");jbFind.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventefind){StringstrA=mainTextArea.getText();StringstrB=jtf.getText();if(a>=0){a=strA.indexOf(strB,StartFindPos);b=strB.length();StartFindPos=a+b;if(a==-1){JOptionPane.showMessageDialog(null,"没有您要查找的信息","查找结果",1)a=0;StartFindPos=0;}mainTextArea.select(a,StartFindPos);}}});JButtonjbCancel=newJButton("取消");jbCancel.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventejb){jd.dispose();}});privatevoidautodown(){if(autodownCheckBoxMenuItem.getState()){mainTextArea.setLineWrap(true);mainTextArea.setWrapStyleWord(true);}else{mainTextArea.setLineWrap(false);mainTextArea.setWrapStyleWord(false);}}privatevoidsetFont(){finalJDialogjd=newJDialog(this,"字体设置");jd.setLocation(240,200);GridBagLayoutgbl=newGridBagLayout();GridBagConstraintsgbc=newGridBagConst